Those aren't bodygroups, they're actually separate models attached to the character models
http://imgur.com/yTzyXTZhurp. woulda put a blood stain on the spy n all but i didn't want to take the chance of ruining the entire thing 'cause i'm lazy.
I just got Garry's Mod on Wednesday. How do I anything?
That man has no idea how to hold his weapon.
What's that gun from?
L4D2